Convert each of the following binary numbers to decimal, hexadecimal, and octal:

$11010101$

$10011011$

$01101010$

Convert each of the following decimal numbers to binary, hexadecimal, and octal:

$173$

$255$

$88$

Convert each of the following hexadecimal numbers to binary, decimal, and octal:

$1$A$3$F

$7$E

B$4$C

Convert each of the following octal numbers to binary, decimal, and hexadecimal:

$725$

$156$

$377$

Binary Addition and Subtraction:

Perform the following binary addition and subtraction operations. Show all your steps and carry $($if any$)$ during the addition:

$101011+110110$

$111001+100101$

$101101-011011$

$110110-101010$